CN218928586U

CN218928586U - Undercut structure of extrusion blowing die

Info

Publication number: CN218928586U
Application number: CN202223214053.2U
Authority: CN
Inventors: 唐林; 罗红兵; 曾柯; 王浩
Original assignee: Shenzhen Liqi Technology Co ltd
Current assignee: Shenzhen Liqi Technology Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-04-28
Anticipated expiration: 2032-11-30

Abstract

The utility model relates to the technical field of extrusion blowing molds, in particular to an undercut structure of an extrusion blowing mold, which comprises an operation table, wherein an installation seat is arranged on the operation table, an extrusion blowing mold is fixedly arranged above the installation seat, an injection molding opening is formed in the upper end of the extrusion blowing mold, a vertical plate is fixedly arranged at one end, far away from the installation seat, of the operation table, a supporting plate is fixedly arranged at the back of the vertical plate, a driving assembly is arranged on the supporting plate, a cutting assembly is arranged on the driving assembly, the cutting assembly is driven to cut off redundant waste at the bottom of the extrusion blowing mold through the driving assembly, when a motor rotates, a turntable is driven to rotate, and as a driving shaft and a connecting ring are mutually sleeved, the connecting ring reciprocates in the horizontal direction, so that a blade at the end part of a second connecting rod can realize reciprocating motion, and waste at the bottom of the extrusion blowing mold can be cut, and the working efficiency is improved.

Description

Undercut structure of extrusion blowing die

Technical Field

The utility model relates to the technical field of extrusion blowing dies, in particular to an undercut structure of an extrusion blowing die.

Background

Extrusion blow molding is a process for making hollow thermoplastic articles such as bottles, drums, cans, boxes and containers for packaging food, beverages, cosmetics, pharmaceuticals and commodity products, which are often manufactured using extrusion blow molds.

When the existing extrusion blowing die is used for processing, waste materials at the bottom of the bottle are difficult to cut off, glue materials in the waste material groove are still remained at the bottom of the bottle, and after the formed container is taken out manually, the formed container is cut off independently, so that the extrusion blowing die is complex, the working efficiency is reduced, and time and labor are wasted.

In view of this, we propose an extrusion blow mold undercut structure.

Disclosure of Invention

In order to overcome the defects, the utility model provides an undercut structure of an extrusion blowing die.

The technical scheme of the utility model is as follows:

the utility model provides an extrusion blow mould undercut structure, includes the operation panel, be provided with the mount pad on the operation panel, the fixed extrusion blow mould that is provided with in mount pad top, the upper end of extrusion blow mould is provided with the mouth of moulding plastics, the nib has been seted up to extrusion blow mould inside, the through-hole has been seted up to extrusion blow mould's below, the below of through-hole is provided with the collecting vat, the operation panel is kept away from the fixed riser that is provided with of one end of mount pad, the fixed backup pad that is provided with in back of riser, the fixed connecting plate that is provided with in front end of riser, be provided with drive assembly in the backup pad, be provided with cutting assembly on the drive assembly, through drive assembly drives cutting assembly is right the unnecessary waste material in bottom of extrusion blow mould is resected.

Preferably, the driving assembly comprises a motor, a turntable is arranged on the motor, guide rails are symmetrically arranged on the turntable, sliding blocks are movably arranged on the guide rails, and driving shafts are arranged on the sliding blocks.

Preferably, the cutting assembly comprises a connecting ring, a first connecting rod and a second connecting rod are symmetrically arranged on two sides of the connecting ring, and a blade is arranged on one side, away from the connecting ring, of the second connecting rod.

Preferably, the output shaft of the motor is fixedly connected with the turntable, the turntable is rotatably arranged on the supporting plate, the guide rail is fixedly connected with the turntable, the sliding block is slidably arranged in the guide rail, and the driving shaft is fixedly arranged on the sliding block.

Preferably, the connecting ring is sleeved on the driving shaft and is in sliding connection with the driving shaft, the first connecting rod and the second connecting rod are fixedly arranged on two sides of the connecting ring, and the first connecting rod and the second connecting rod are arranged on the connecting plate in a penetrating manner and are in sliding connection with the connecting plate.

Preferably, the end part of the second connecting rod is fixedly provided with the blade, and the blade is positioned at the bottom of the extrusion blowing die.

Preferably, the through hole is opposite to the collecting tank, and the collecting tank is located at the bottom of the operating platform.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the driving assembly is arranged, when the motor rotates, the turntable is driven to rotate, so that the driving shaft fixedly connected with the turntable is driven to rotate, the driving shaft is sleeved with the connecting ring, so that the connecting ring reciprocates in the horizontal direction, and the blades at the end part of the second connecting rod realize reciprocating movement through the cooperation of the limiting block and the spring because the two ends of the connecting ring are respectively provided with the first connecting rod and the second connecting rod, thereby cutting waste at the bottom of the extrusion-blowing die, solving the problem that the existing extrusion-blowing die manually cuts off the waste during processing, and improving the working efficiency;

2, the guide rail is arranged on the turntable, the sliding block is arranged in the guide rail in a sliding way, the position of the driving shaft can be changed through the movement of the sliding block, and when the driving shaft is close to the edge position of the turntable, the movement range of the connecting ring is enlarged, so that the reciprocating movement stroke of the blade is enlarged; when the driving shaft is close to the circle center of the turntable, the movement range of the connecting ring is reduced, so that the reciprocating movement stroke of the blade is reduced, the cutting range of the blade can be adjusted, and different cutting requirements can be met.

Drawings

FIG. 1 is a schematic view of the overall structure of an undercut structure of an extrusion blow mold according to the present utility model;

FIG. 2 is a schematic view of the internal structure of an extrusion blow mold with an undercut structure according to the present utility model;

FIG. 3 is a schematic view of a partial structure of an undercut structure of an extrusion blow mold according to the present utility model;

FIG. 4 is an enlarged schematic view of the undercut structure of the extrusion blow mold of FIG. 3A according to the present utility model;

FIG. 5 is a schematic view of an operation table of an undercut structure of an extrusion blow mold according to the present utility model.

In the figure: 1. an operation table; 11. a mounting base; 12. a through hole; 13. a collection tank; 14. a riser; 15. a support plate; 16. a connecting plate; 2. extrusion blowing mould; 21. an injection molding port; 22. a die hole; 3. a drive assembly; 31. a motor; 32. a turntable; 33. a guide rail; 34. a slide block; 35. a drive shaft; 36. a threaded hole; 37. a screw; 4. a cutting assembly; 41. a connecting ring; 42. a first link; 43. a second link; 44. a limiting block; 45. a spring; 46. a blade.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-5, the present utility model is described in detail by the following embodiments:

the utility model provides a crowded mould undercut structure that blows, including operation panel 1, be provided with mount pad 11 on the operation panel 1, the mount pad 11 top is fixed to be provided with crowded mould 2 of blowing, the upper end of crowded mould 2 of blowing is provided with injection molding mouth 21, the inside nib 22 of seting up of crowded mould 2 of blowing, through-hole 12 has been seted up to the below of crowded mould 2 of blowing, the below of through-hole 12 is provided with collecting vat 13, the fixed riser 14 that is provided with of one end that is kept away from the mount pad 11 of operation panel 1, the fixed backup pad 15 that is provided with in back of riser 14, the fixed connecting plate 16 that is provided with in front end of riser 14, be provided with drive assembly 3 on the backup pad 15, be provided with cutting assembly 4 on the drive assembly 3, drive assembly 4 is to the unnecessary waste material in bottom of crowded mould 2 of blowing through setting up drive assembly 3, when the motor 31 through bearing connection rotates, can drive carousel 32, thereby drive and it fixed connection drive shaft 35 rotates, because drive shaft 35 and connecting ring 41 cup joint each other, make connecting ring 41 carry out reciprocating motion in the horizontal direction, because connecting ring 41 both ends all are provided with first connecting rod 42 and second connecting rod 43 and the second connecting rod 45 have cut off the problem that the work when the end of the work of the mould of blowing is done with the second connecting rod 43 and can be cut off the unnecessary material of the end of the mould 2, the work is cut off, the work is done with the end piece is done with the end 43 and the work is finished to the work of the cost of the work of the cost of the work of the cutter 43 to the work was finished when the cost 43 is 45 has been finished to the work has 43.

Further, the driving component 3 comprises a motor 31, a turntable 32 is arranged on the motor 31, guide rails 33 are symmetrically arranged on the turntable 32, sliding blocks 34 are movably arranged on the guide rails 33, a driving shaft 35 is arranged on the sliding blocks 34, and the driving component 3 can drive a blade 46 to reciprocate, so that waste shearing is realized.

It is to be added that screw holes 36 are formed in the guide rail 33 at equal intervals, screw rods 37 penetrate through the screw holes 36, the screw rods 37 are in threaded connection with the screw holes 36, and after the sliding block 34 moves to a proper position, the end portions of the screw rods 37 can be abutted against the sliding block 34 to fix the sliding block 34 through manual screwing of the screw rods 37 through cooperation of the screw rods 37 and the screw holes 36.

Further, the cutting assembly 4 comprises a connecting ring 41, a first connecting rod 42 and a second connecting rod 43 are symmetrically arranged on two sides of the connecting ring 41, a blade 46 is arranged on one side, away from the connecting ring 41, of the second connecting rod 43, and waste generated at the bottom of the extrusion blowing die 2 can be cut through the cutting assembly 4.

It should be added that one end of the first connecting rod 42 far away from the connecting ring 41 is provided with a limiting block 44, a spring 45 is arranged between the limiting block 44 and the connecting plate 16, one end of the spring 45 is fixedly connected with the limiting block 44, the other end of the spring 45 is fixedly connected with the connecting plate 16, and the first connecting rod 42 can be smoother in reciprocating motion through self elasticity of the spring 45

Further, the output shaft of the motor 31 is fixedly connected with the turntable 32, the turntable 32 is rotatably arranged on the supporting plate 15, the guide rail 33 is fixedly connected with the turntable 32, the sliding block 34 is slidably arranged inside the guide rail 33, the driving shaft 35 is fixedly arranged on the sliding block 34, and when the motor 31 rotates, the turntable 32 is driven to rotate, so that the driving shaft 35 is fixedly connected with the turntable 32.

Further, the connecting ring 41 is sleeved on the driving shaft 35 and is in sliding connection with the driving shaft 35, the first connecting rod 42 and the second connecting rod 43 are fixedly arranged on two sides of the connecting ring 41, the first connecting rod 42 and the second connecting rod 43 are arranged on the connecting plate 16 in a penetrating mode and are in sliding connection with the connecting plate 16, and the driving shaft 35 and the connecting ring 41 are mutually sleeved, so that the connecting ring 41 performs reciprocating motion in the horizontal direction, and the first connecting rod 42 and the second connecting rod 43 are driven to achieve reciprocating motion in the horizontal direction.

Further, the end portion of the second connecting rod 43 is fixedly provided with the blade 46, the blade 46 is located at the bottom of the extrusion-blowing die 2, when the second connecting rod 43 reciprocates in the horizontal direction, the blade 46 can reciprocate, so that waste at the bottom of the extrusion-blowing die 2 can be cut, the problem that the existing extrusion-blowing die 2 cuts off the waste manually during processing is solved, and the working efficiency is improved.

Further, the through hole 12 is opposite to the collecting groove 13, the collecting groove 13 is positioned at the bottom of the operation table 1, and the arrangement is that the sheared waste material falls into the collecting groove 13 directly from the through hole 12 after being separated from the extrusion blowing die 2 for uniform collection.

Working principle: when the device is used, firstly, raw materials are put into the injection hole 21 to enter the die hole 22, after the raw materials in the extrusion die are shaped, according to the actual situation that waste materials are required to be cut, the sliding block 34 is pushed by manpower to stop at a proper position, then the screw rod 37 is suspended and twisted, the end part of the screw rod 37 is abutted against the sliding block 34 to fix the sliding block 34, the motor 31 is started, the turntable 32 is driven to rotate by the motor 31, the driving shaft 35 fixedly connected with the turntable is driven to rotate, the connecting ring 41 is mutually sleeved and enabled to reciprocate in the horizontal direction due to the fact that the driving shaft 35 and the connecting ring 41 are mutually sleeved, and the blade 46 at the end part of the second connecting rod 43 is enabled to reciprocate due to the fact that the two ends of the connecting ring 41 are respectively provided with the first connecting rod 42 and the second connecting rod 43 and the cooperation of the limiting block 44 and the spring 45, so that waste materials at the bottom of the extrusion blowing die 2 can be cut, and waste materials after cutting are separated from the bottom of the extrusion blowing die 2, and then fall into the collecting groove 13 from the through hole 12 to be collected uniformly.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An undercut structure of an extrusion-blow die, comprising an operating table (1), characterized in that: be provided with mount pad (11) on operation panel (1), mount pad (11) top is fixed to be provided with crowded mould (2) of blowing, the upper end of crowded mould (2) of blowing is provided with injection molding mouth (21), mould hole (22) have been seted up to crowded mould (2) inside, through-hole (12) have been seted up to the below of crowded mould (2), the below of through-hole (12) is provided with collecting vat (13), operation panel (1) are kept away from the fixed riser (14) that is provided with of one end of mount pad (11), the fixed backup pad (15) that is provided with in back of riser (14), the fixed connecting plate (16) that is provided with in front end of riser (14), be provided with drive assembly (3) on backup pad (15), be provided with cutting assembly (4) on drive assembly (3) drive cutting assembly (4) are right the unnecessary waste material of the bottom of crowded mould (2) is cut.

2. An extrusion blow mold undercut structure as in claim 1 wherein: the driving assembly (3) comprises a motor (31), a turntable (32) is arranged on the motor (31), guide rails (33) are symmetrically arranged on the turntable (32), sliding blocks (34) are movably arranged on the guide rails (33), and driving shafts (35) are arranged on the sliding blocks (34).

3. An extrusion blow mold undercut structure as in claim 2 wherein: the cutting assembly (4) comprises a connecting ring (41), a first connecting rod (42) and a second connecting rod (43) are symmetrically arranged on two sides of the connecting ring (41), and a blade (46) is arranged on one side, away from the connecting ring (41), of the second connecting rod (43).

4. An extrusion blow mold undercut structure as in claim 3 wherein: the output shaft of motor (31) with carousel (32) fixed connection, carousel (32) rotate and set up on backup pad (15), guide rail (33) with carousel (32) fixed connection, slider (34) slip setting is in inside guide rail (33), be provided with on slider (34) drive shaft (35) is fixed.

5. An extrusion blow mold undercut structure as in claim 4, wherein: the connecting ring (41) is sleeved on the driving shaft (35) and is in sliding connection with the driving shaft (35), the first connecting rod (42) and the second connecting rod (43) are fixedly arranged on two sides of the connecting ring (41), and the first connecting rod (42) and the second connecting rod (43) are arranged on the connecting plate (16) in a penetrating mode and are in sliding connection with the connecting plate (16).

6. An extrusion blow mold undercut structure as in claim 5, wherein: the end part of the second connecting rod (43) is fixedly provided with the blade (46), and the blade (46) is positioned at the bottom of the extrusion blowing die (2).

7. The extrusion blow mold undercut structure as set forth in claim 6, wherein: the through hole (12) is opposite to the collecting groove (13), and the collecting groove (13) is positioned at the bottom of the operating platform (1).